Authors & Year	Sample Size	Participant Age Group	Outcome System	Standardized Score	Source of Outcome Data
Alfieri & Pinna, 2012	109	Adult	DSS + SSR	VAS-pain	CI, PRI
Aliaga, et al., 2012	146	Child + adult	DSS	CCOS	CI
Anderson et al., 2003	11	Child + adult	Gestalt	NA	CI
Arora et al., 20045	17	Child + adult	DSS	Klekamp & Samii score	CI
Arora et al., 20044	48	Child + adult	DSS	Klekamp & Samii score	CI
Arruda et al., 2004	60	Child + adult	Gestalt + SSR	NA	CI
Attenello et al., 2008	49	Child	Gestalt + SSR	NA	CI
Attenello et al., 2009	67	Child	Gestalt	NA	CI
Bao et al., 2013	147	Child + adult	Gestalt	NA	CI
Batzdorf et al., 2013	177	Child + adult	SSR	NA	CI
Behari et al., 2007	39	Child + adult	DSS	Klekamp & Samii score	CI
Caldarelli et al., 2007	30	Child	Gestalt	NA	CI
Chauvet et al., 2009	11	Adult	SSR	NA	CI
Cui et al., 2011	20	Unclear	Gestalt	NA	CI
Di, 2009	26	Child	Gestalt + SSR	NA	CI
Dones et al., 2003	27	Child + adult	SSR	NA	CI
El-Ghandour, 2012	46	Adult	Gestalt	NA	CI
Erdogan et al., 2010	27	Unclear	Gestalt	NA	CI
Foreman et al., 2012	48	Child	Gestalt	NA	CI
Furtado et al., 2011	20	Child	DSS + SSR	Asgari score	CI
Galarza et al., 2007	60	Child	Gestalt	NA	CI
Godil et al., 2013	50	Adult	DSS, GFS	VAS-head/neck, Neck Disability Index, Headache Disability Index, EuroQol-5D, SF-12, Zung Self-Rating Depression Scale	PRI
Heiss et al., 2010	16	Child + adult	SSR	NA	CI
Hekman et al., 2012	167	Child + adult	DSS	CCOS	CI
Hoffman & Souweidane, 2008	40	Child + adult	Gestalt	NA	CI
Hyun et al., 2013	30	Child + adult	DSS	JOA score	CI
Kalb et al., 2012	104	Child + adult	Gestalt + SSR	NA	CI
Kim et al., 2004	11	Child	Gestalt	NA	CI
Klekamp, 201236	107	Unclear	DSS	Klekamp & Samii score	CI
Klekamp, 201237	359	Unclear	Gestalt + DSS	Klekamp & Samii score	CI
Koç et al., 2007	18	Adult	DSS	Asgari score	CI
Kumar et al., 2008	87	Child + adult	DSS	Klekamp & Samii score	CI
Kunert et al., 2009	38	Child + adult	Gestalt, GFS	Rankin Scale, Karnofsky Performance Scale	CI
Lam et al., 2013	22	Adult	SSR	NA	PRI
Lee et al., 2012	25	Adult	Gestalt, SSR	NA	CI
Levo et al., 2010	46	Child + adult	Gestalt	NA	CI
Limonadi & Selden, 2004	24	Child + adult	DSS	Limonadi score	CI
Litvack et al., 2013	110	Child	SSR	NA	CI
Massimi et al., 2008	30	Child	Gestalt + SSR	NA	CI
Massimi et al., 2011	15	Child + adult	Gestalt	NA	CI
McGirt et al., 2006	130	Child + adult	Gestalt	NA	CI
McGirt et al., 200851	44	Child	Gestalt	NA	CI
McGirt et al., 200852	256	Child	Gestalt	NA	CI
McGirt et al., 200853	256	Child	Gestalt	NA	CI
Mottolese et al., 2011	82	Child	Gestalt	NA	CI
Mueller & Oro’, 2005	112	Child + adult	GFS	Sickness Impact Profile	PRI
Navarro et al., 2004	96	Child	Gestalt	NA	CI
Noudel et al., 2011	11	Child + adult	GFS	Noudel’s adapted functional grading system	CI
Ono et al., 2007	27	Adult	DSS	JOA score	CI
Ono et al., 2010	20	Adult	DSS	JOA score + VAS-pain	CI
Panigrahi et al., 2004	21	Child + adult	Gestalt	NA	CI
Perrini et al., 2007	24	Adult	SSR	NA	CI
Prat & Galeano, 2009	13	Child + adult	Gestalt	NA	CI
Pritz, 2003	14	Adult	Gestalt + SSR	NA	CI
Ramnarayan et al., 2008	51	Child + adult	Gestalt + SSR	NA	CI
Romero & Pereira, 2010	16	Adult	Gestalt	NA	CI
Sakushima et al., 2013	232	Child + adult	SSR	NA	CI
Shamji et al., 2010	24	Child	Gestalt	NA	CI
Sivaramakrishnan et al., 2004	12	Adult	Gestalt	NA	CI
Spena et al., 2010	36	Adult	Gestalt	NA	CI
Takayasu et al., 2004	16	Child + adult	Gestalt	NA	CI
Tisell et al., 2009	23	Child + adult	GFS + SSR	VAS-quality of life	PRI
Tubbs et al., 2004	22	Child + adult	Gestalt	NA	CI
Tubbs et al., 2003	130	Child + adult	Gestalt	NA	CI
Tubbs et al., 2011	500	Child	Gestalt	NA	CI
Valentini et al., 2011	99	Child	Gestalt	NA	CI
Ventureyra et al., 2003	24	Unclear	Gestalt	NA	CI
Wetjen et al., 2008	29	Child + adult	SSR	NA	CI
Williams et al., 2013	34	Unclear	GFS	SF-36	PRI
Yeh et al., 2006	130	Child	Gestalt	NA	CI
Yilmaz et al., 2011	82	Adult	DSS	JOA score	CI
Zamel et al., 2009	80	Child + adult	Gestalt	NA	CI
Zhang et al., 2011	132	Child + adult	Gestalt	NA	CI
Zhang et al., 2008	316	Child + adult	Gestalt	NA	CI

CI = clinician impression; DSS = disease-specific scale; GFS = general function scale; NA = not applicable; PRI = patient-response instrument; SF-12 = Short Form-12 Health Survey; SF-36 = Short Form-36 Health Survey; SSR = sign/symptom-specific reporting.